Ecclesiastes 1:17 - And I gave my heart to know wisdom, and to know madness and folly: H5531 I perceived that this also is vexation of spirit.
Ecclesiastes 2:3 - I sought in mine heart to give myself unto wine, yet acquainting mine heart with wisdom; and to lay hold on folly, H5531 till I might see what was that good for the sons of men, which they should do under the heaven all the days of their life.
Ecclesiastes 2:12 - And I turned myself to behold wisdom, and madness, and folly: H5531 for what can the man do that cometh after the king? even that which hath been already done.
Ecclesiastes 2:13 - Then I saw that wisdom excelleth folly, H5531 as far as light excelleth darkness.
Ecclesiastes 7:25 - I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness H5531 and madness:
Ecclesiastes 10:1 - Dead flies cause the ointment of the apothecary to send forth a stinking savour: so doth a little folly H5531 him that is in reputation for wisdom and honour.
Ecclesiastes 10:13 - The beginning of the words of his mouth is foolishness: H5531 and the end of his talk is mischievous madness.